Zobrazeno 1 - 10
of 1 601
pro vyhledávání: '"environmental isotopes"'
Autor:
Saad A. Mohallel
Publikováno v:
Applied Water Science, Vol 14, Iss 7, Pp 1-19 (2024)
Abstract Egypt is a country that heavily relies on agricultural activities. River Nile serves as the primary source of irrigation water for agricultural purposes. El Saieda Basin project, located in the southern western desert of Egypt, represents a
Externí odkaz:
https://doaj.org/article/fff707f1617a4413a38cfa13356d7aff
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 54, Iss , Pp 101869- (2024)
Study region: Awash River basin, Central Ethiopia Study focus: The study focuses on characterization of Emerging Organic Contaminants (EOCs) in the Awash River basin. Characterization of the EOCs was supplemented by chemical analysis of samples from
Externí odkaz:
https://doaj.org/article/b71ffd40cb214734896e694b8bdf0f5a
Autor:
Zuhair Kattan, Saeid Nasser
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 17, Iss 1, Pp 1-20 (2023)
Abstract Records of stable isotopes (2H and 18O), deuterium excess (d-excess) and tritium (3H) values in precipitation (P) during 1990–2022, together with long-term time series (1919–2022) of air temperature (T) and P-amount values at the Damascu
Externí odkaz:
https://doaj.org/article/f1f81a6ab24447c684faa6385f6dd024
Publikováno v:
Data in Brief, Vol 48, Iss , Pp 109197- (2023)
A comprehensive hydrogeological report was conducted to determine the origin, occurrence and processes affecting nitrogen in a Mediterranean coastal aquifer-lagoon system. Water levels, hydrochemical and isotopic data was gathered during a 4-year per
Externí odkaz:
https://doaj.org/article/25ce8521e24e49aab55927f653315bfb
Publikováno v:
Water Supply, Vol 22, Iss 3, Pp 2988-2999 (2022)
Groundwater recharge is an important factor affecting water circulation. As groundwater has slow seepage, directly observing the seepage velocity and recharge path of groundwater in the aquifer is difficult. Environmental isotope technology has becom
Externí odkaz:
https://doaj.org/article/ff6267aca4f14d40a2fda0ca5215d1ce
Publikováno v:
Water, Vol 15, Iss 19, p 3466 (2023)
Bottled mineral waters originate from groundwater aquifers, their chemical composition being initially determined by geochemical water-rock interaction processes. The waters used for bottling originate from different parts of the hydrological cycle a
Externí odkaz:
https://doaj.org/article/db72a5baf2244489a520d6bbc09eae18
Publikováno v:
地质科技通报, Vol 41, Iss 1, Pp 231-239 (2022)
Under the situation of water shortage and increasingly serious groundwater nitrate pollution in Ordos Basin, it is helpful for rational utilization and protection of groundwater resources to identify the distribution and causes of nitrate in differen
Externí odkaz:
https://doaj.org/article/e0501d232f6b4261b06ae3e9cae2f0dd
Autor:
Zixuan Qin, Qiang Zhang, Siyao Yu, Yanna Yang, Jiasen Zhang, Mo Xu, Yang Liu, Maoyi Liu, Mi Nie
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
Jura-type folds in eastern Sichuan Basin have created unique multi-type karst water circulation patterns. Understanding the karst water circulation features is helpful to the protection and management of water resources in this area. In this study, a
Externí odkaz:
https://doaj.org/article/cb08edb3469e490daa41830e8c9f0e6b
Publikováno v:
Frontiers in Ecology and Evolution, Vol 10 (2023)
The stable isotopes composition of chemolithoautotrophic cave ecosystems is known to differ from epigenic caves. Here we show that in addition, dead carbon (devoid of 14C), is utilized and transferred throughout this ecosystem, rendering it unsuitabl
Externí odkaz:
https://doaj.org/article/0ead38f15ea345aaa76b41182599dfa8
Publikováno v:
China Geology, Vol 4, Iss 3, Pp 498-508 (2021)
The surface watershed and groundwater basin have fixed recharge scale, which are not only the basic unit for hydrologic cycle research but also control the water resources formation and evolution and its corresponding eco-geological environment patte
Externí odkaz:
https://doaj.org/article/108c5ddc3a534755b8b2b444c46e4b29